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v3.26.1

Fair Value Measurements - Schedule of Carrying Values and Fair Values of Company’s Outstanding Debt, Film Related Obligations, and Interest Rate Swaps (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Mar. 31, 2026
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Carrying Value | Revolving Credit Facility | The Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | $ 0.0 | $ 0.0
Carrying Value | Senior Notes | Senior Notes |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Senior notes fair value disclosure | 383.5 | 383.1
Carrying Value | Line of Credit | eOne IP Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 357.8 | 366.7
Carrying Value | Line of Credit | LG IP Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 1,142.3 | 1,172.5
Carrying Value | Line of Credit | 3 Arts Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 30.2 | 30.1
Carrying Value | Line of Credit | Production Tax Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 364.6 | 364.8
Carrying Value | Production Loans | Production Loans |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Loans, fair value disclosure | 1,361.1 | 1,280.5
Carrying Value | Secured Debt | Backlog Facility and Other |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Backlog Facility and Other | 310.8 | 304.6
Fair Value | Fair Value (Level 2) | Revolving Credit Facility | The Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 0.0 | 0.0
Fair Value | Fair Value (Level 2) | Senior Notes | Senior Notes |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Senior notes fair value disclosure | 370.4 | 359.6
Fair Value | Fair Value (Level 2) | Line of Credit | eOne IP Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 362.0 | 371.3
Fair Value | Fair Value (Level 2) | Line of Credit | LG IP Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 1,156.3 | 1,187.5
Fair Value | Fair Value (Level 2) | Line of Credit | 3 Arts Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 30.7 | 30.7
Fair Value | Fair Value (Level 2) | Line of Credit | Production Tax Credit Facility |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Lines of credit, fair value disclosure | 367.4 | 368.0
Fair Value | Fair Value (Level 2) | Production Loans | Production Loans |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Loans, fair value disclosure | 1,364.7 | 1,283.9
Fair Value | Fair Value (Level 2) | Secured Debt | Backlog Facility and Other |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis [Line Items] |  |
Backlog Facility and Other | $ 313.2 | $ 307.2

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